O nobly-born, when thy body and mind were separating, thou must have experienced a glimpse of the Pure Truth, subtle, sparkling, bright, dazzling, glorious, and radiantly awesome, in appearance like a mirage moving across a landscape in spring-time in one continuous stream of vibrations. Be not daunted thereby, nor terrified, nor awed. That is the radiance of thine own true nature. Recognize it.

'Thus does that serene being, arising from this body, appear in its own form, as soon as it has approached the highest light (the knowledge of Self )...